Storage tray



FIG. 1 is a perspective view of a storage tray showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines in the drawings depict portions of the storage tray that form no part of the claimed design. 

CLAIM The ornamental design for a storage tray, as shown and described. 